I am so happy found this site as it consists of so many Manuls and easy to aquire. This onei s exactly what I wanted and much more as it has info on not only how to use the tuner but how to repair it as well. I will come here 1st before purchasing else where! Thanks owner-manual.com!
is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
Text excerpt from page 10 (click to view)
TROUBLESHOOTING
No Display
1. Check the fuse (FU500) on the digital PCB. 2. Check the fuse (FU100) on the linear PCB. 3. Check the jack (JK500) on the digital PCB. 4. Check the power switch (SW900) on the key PCB. 5. Check the flat cable between the digital and linear PCBs. 6. Check the back light. 7. Check the LCD.
No Display at Record Mode
1. Check the camera unit.
Defect of the Camera Unit
The camera unit must be replaced with whole unit when it is defective, because the precise adjustment is required when the individual parts of the camera unit are replaced, and it can be done only at our factory. (Except for replacing the outer case of the camera unit)